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Published byGodwin Richard Modified over 9 years ago
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PICNIC Demo Module 2 IP-based utility outlets 陳育瑋、方煒 台大生機系
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Objective Development of a demo module 1.providing utility outlets that can be used for home appliance capable of locally manual control and remotely on/off control through internet. 2.teaching usage of PICNIC. 3.teaching VB programming.
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Software Written in Visual Basic v6 (Microsoft, USA) Required PICOCX.ocx (Active X 控制項 )
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Device PICNIC SSR: solid state relay Relay or utility outlet
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Solid State Relay (SSR) Input terminal Output terminal
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5 types of SSR and popular 3 Type (input V range) Output V range DC AC (3-32VDC) 24-280V AC AC AC ( 80-280 VAC) 24-280V AC DC DC (3-32VDC) 5-120V DC
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3 way and 4 way switch Three-way-switch is used when providing control in two locations for one home appliance. In between 2 three-way-switches, 1 four-way- switch is needed to provide control in 3 locations for one home appliance. In between 2 three-way-switches, installing n four-way-switches can provide control in n + 2 locations.
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Home appliance AC 110V On/off control in 2 locations for one home appliance
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AC 110V On/off control in 3 locations for one home appliance Home appliance
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Home appliance on/off control in 2 locations with one side connect to the internet PICNIC Toggle Switch Home appliance outlet Relay B connect SSR Interne t same outlet from above Relay A connect
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An example: Lamps control Control 2 Fans ( 110 VAC ) Control 8 TFLs ( 110 VAC )
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Relay
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SSR RB4 PIC 110V
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Demo module ver.1 Replacing relays with utility outlets Up to 8 outlets per Picnic One outlet required one SSR
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RB4 Home appliance 1 PIC 110V RB5 RB6 RB7 Outlet#1 SSR#1 To SSR#1 To SSR#3 To SSR#2 To SSR#4 Digital output ports
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RB4 Home appliance 2 PICNIC 110V RB5 RB6 RB7 Outlet#2 SSR#2 To SSR#1 To SSR#3 To SSR#2 To SSR#4 Digital output ports
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7676 5454 5 4 7 6
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Problem: The person at remote side needs to know the current status (on or off) of the home appliance PICNIC Toggle Switch Home appliance outlet Relay B connect SSR Interne t same outlet from above Relay A connect
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Demo module ver.2 Modified version of module ver.1 Up to 4 outlets per Picnic One outlet required 1 SSR and 1 Relay
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RB4 Home appliance 2 PICNIC 110V RB5 RB6 RB7 Outlet#2 SSR#2 To SSR#1 To SSR#3 To SSR#2 To SSR#4 Digital output ports RB0 From Relay#2 Relay#2 Digital Input ports Demo module ver.2
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A commercial product IP-relay IP Relay is an Ethernet-enabled box containing 1 RS-232 serial port and 2 relays with contacts on a terminal block. The device can be also used as a remote RS-232 serial port (the Virtual Serial Port drives software for windows is free) or as RS232/ethernet converter (terminal server). The remote device can be switched on/off or reset using the ethernet i/o relays. http://www.hw-group.com/products/ip_relay/index_en.html
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System topology scheme
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Usage examples Remote monitoring of IP camera system's failure Remote control of the network configuration Remote control and restarting of micowawe connections. Remote devices control (ventilation, door opening..)
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A commercial product I/O Controller I/O Controller is a unit containing 8x digital input over ethernet, 8x digital output over ethernet and RS-232/485 serial (Terminal server) interface. All the interfaces are accessible over a network using the M2M (Machine to Machine) protocol on TCP/IP. http://www.hw-group.com/products/io_controller/index_en.html
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Applications examples Remote control of technology over RS-232 and RS-485 bus Remote control of displays and signalling Remote reading of PIR sensors, door contacts and security systems Remote relay control Industrial I/O Card readers, RFID readers Sales machines Security alarms Attendance systems UPS controll and logging Bar code readers
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